Cita APA (7a ed.)

Thayer, R. H., & Dorfman, M. (1990). System and software requirements engineering. IEEE Computer Society.

Cita Chicago Style (17a ed.)

Thayer, Richard H., y M. Dorfman. System and Software Requirements Engineering. Los Alamitos, California: IEEE Computer Society, 1990.

Cita MLA (9a ed.)

Thayer, Richard H., y M. Dorfman. System and Software Requirements Engineering. IEEE Computer Society, 1990.